The principle used in a musket was just like the principle behind cannon which is why muskets were also called mini canons. As it was difficult for a soldier to measure the amount of powder to be poured down the barrel, it was supplied in a pre-measured pouch that had to be torn apart by the soldier before every shot.
The approx distance between Heathrow and Gatwick Airport in a straight line is 29 miles or 46.66 KMS See the maps and links below for additional information related to driving distances, fuel costs and estimated journey times for this trip from Heathrow to Gatwick Airport.Happy trails!!Advertisements:f you were travelling in a mid range car that averaged 40 MPG and were paying Â£6.36 per gallon (1.40 per litre) for your petrol then the cost for this trip based on an estimated driving distance of 35.38 miles (56.93 kms) , from Heathrow to Gatwick Airport for your fuel would be in the region of Â£5.63.
Gatwick to Heathrow by train. There is no direct connection from Heathrow to Gatwick by train. However you can choose one of the 4 following options: 1.First take the Heathrow Express into Paddington Station.After that take the tubes Circle line out to London Victoria Station. Finally take the Southern Railways service into Gatwick Airport.The journey takes around 85 minutes and costs approximately Â£25. 2. This option is similar to the first one but instead of taking Heathrow Connect service you can choose the Express service.inally take the Southern Railways service into Gatwick Airport. The journey takes around 85 minutes and costs approximately Â£25. 2. This option is similar to the first one but instead of taking Heathrow Connect service you can choose the Express service.